# This is the MIT License
# http://www.opensource.org/licenses/mit-license.php
#
# Copyright (c) 2007,2008 Nick Galbreath
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#

import traceback
import sys

class metric(object):
    def __init__(self):
        self.tree = None

    def addMetric(self, values):
        self.tree.addMetric(values)

    def register(self, s, tree):
        if self.tree is None:
            self.tree = tree

        self.gather(tree)
        s.enter(self.interval(), 1, self.register, [s, tree])

    def startup(self):
        pass

    def interval(self):
        return 15

    def gather(self):
        pass

    def shutdown(self):
        pass

